Switch Node with Limited 'on' time

Dashboard
1

Hi,
Does anyone know of a ui-node like the switch node, where there is a time limit for the 'on' time.

For example I wish to switch on an irrigation system for a maximum of 5 minutes. This is easy enough to schedule using a timer and use trigger node to time it.
However in order to maintain 'manual' control I have to jump through hoops to be able to turn 'off' a device using the UI Switch before the timer runs-out, AND have the actual status reflected in UI Switch.

I emphasise I have a solution, but it's pretty 'messy'.

Sorry meant to add that if the UI Switch is used, the maximum time 'on' should be maintained in case I forget to switch it 'off'.

2

so if you flip the switch on, you want it to be shut off 5 minutes later correct?

If so, feed the output of the ui_switch to a switch node and test for boolean true and false. Wire the true output to a delay node (set it to the delay you want -5 minutes) and to the nodes that turns on the water. Connect the delay node to a change node which sets msg.payload to boolean false and the oputut of this is tied back to the ui_switch's input.

The false side of the switch node would be tied to nodes to shut off the water

3

Why not use the MyTimeout node from Neil Cherry ? It accepts input for various actions/states and seems to do what you want.

Your UI switch would read something like Manual Turn on for 5 minutes - it would then push input to the MyTimeout Node

Craig

4

Thanks both - I will try out these ides and the MyTimeout node.

Appreciate your responses.

5

Here is an example of how i am using the MyTImeout node in one of my flows

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Node 2","active":false,"tosidebar":true,"console":false,"tostatus":false,"complete":"payload","x":920,"y":1280,"wires":[]},{"id":"e56bee14.2f24b","type":"ui_button","z":"a78930fe.ed232","name":"Manual Turn on of Boiler 2hr","group":"4da5d3cb.b9673c","order":2,"width":0,"height":0,"passthru":false,"label":"Manual Boiler 2 Hr Turn on","color":"","bgcolor":"","icon":"","payload":"{     \"payload\": \"on\",     \"timeout\": 7200,     \"warning\": 5 }","payloadType":"json","topic":"cmnd/ArduinoLive/BoilerControl","x":180,"y":1140,"wires":[["5f3a7a46.e835c4"]]},{"id":"5f3a7a46.e835c4","type":"mytimeout","z":"a78930fe.ed232","name":"Boiler Manual Turn on - New Node","outtopic":"cmnd/ArduinoLive/BoilerControl","outsafe":"1","outwarning":"","outunsafe":"0","warning":"2","timer":"10","debug":false,"ndebug":false,"ignoreCase":false,"repeat":false,"again":false,"x":600,"y":1180,"wires":[["5bab8b3b.564f94","be23d858.f070d8"],["23210b71.6a2104","34467ea3.dbffa2"]]},{"id":"caf1a13f.d8d6","type":"change","z":"a78930fe.ed232","name":"Take Variable and Put into Payload","rules":[{"t":"move","p":"CIrculatingPumpTimeToRun","pt":"flow","to":"payload","tot":"msg"}],"action":"","property":"","from":"","to":"","reg":false,"x":600,"y":1080,"wires":[["d5602c1e.081f4"]]},{"id":"d5602c1e.081f4","type":"ui_text_input","z":"a78930fe.ed232","name":"","label":"Manual Pump - 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Craig

6

Sorry All - I have been away.

I have looked at the solutions and appreciate all your contributions.
They don't quite fit the bill due to my use of the UI Switch interface. I have used it a lot in my design due to it's appealing visual feedback (well to SWMBO which is most important!!).

Below are my test set-ups outputting only to debug, but it gives the idea of what I am trying to achieve. As I have said I have a solution - it just seems messy trying to cope with the UI.

Thanks again to everybody - I hope this generates interest for other ideas also.

Regards
SWMBO = "She Who Must Be Obeyed".

(Also as I wrote this I realised I do not know how to include a flow properly - could someone advise plse)

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7

Wrap the flow in back-ticks - or use the image icon in the editor.

8

Surely if you are using Dashboard to provide a friendly interface, all you need is to send the switch output to a flow that sends an on value direct AND sends a matching off command via a delay node at the same time?

See the flow I've just posted regarding a simple button to turn off a light after a 5 minute delay for how to do the delay flow.

9

Thanks. Thought I had tried that so must be finger trouble.

10

I will try your suggestion. I couldn't help feeling that I was just overcomplicating everything. I couldn't find your flow though ...

11

Once I set out to try it I realised that is what I had come up with anyway.
I might try my hand at writing a node.